From owner-freebsd-fs@FreeBSD.ORG Tue Aug 26 19:22:31 2003 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 59FF216A4BF; Tue, 26 Aug 2003 19:22:31 -0700 (PDT) Received: from perrin.nxad.com (internal.ext.nxad.com [69.1.70.251]) by mx1.FreeBSD.org (Postfix) with ESMTP id C5E1943FF2; Tue, 26 Aug 2003 19:22:28 -0700 (PDT) (envelope-from sean@nxad.com) Received: by perrin.nxad.com (Postfix, from userid 1001) id 3E54720F00; Tue, 26 Aug 2003 19:22:28 -0700 (PDT) Date: Tue, 26 Aug 2003 19:22:28 -0700 From: Sean Chittenden To: Bill Moran Message-ID: <20030827022228.GA51167@perrin.nxad.com> References: <3F4C143D.7000909@potentialtech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3F4C143D.7000909@potentialtech.com> X-PGP-Key: finger seanc@FreeBSD.org X-PGP-Fingerprint: 3849 3760 1AFE 7B17 11A0 83A6 DD99 E31F BC84 B341 X-Web-Homepage: http://sean.chittenden.org/ User-Agent: Mutt/1.5.4i cc: freebsd-fs@freebsd.org cc: freebsd-performance@freebsd.org Subject: Re: Performance tests I did with FreeBSD, Linux and PostgreSQL X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Aug 2003 02:22:31 -0000 > Like all benchmarks, I doubt these are perfect (or even close) examples > of real-world use. > > However, in the hopes that they will be useful for improving FreeBSD, I > present them to the community. > > http://www.potentialtech.com/wmoran/postgresql.php > > Intelligent comments are welcome. Could you please repeat your testing with 4.X? I'm quite sure you'll see a much different picture. FreeBSD 5.X's state of locking isn't ready for production or benchmarking. If, however, you are ready to profile a 5.X kernel, those results would be very interesting to the people on this list. -sc -- Sean Chittenden